Left: Â Bullmouth Helmet Shell, Cypraecassis rufa
Right: Bear Paw Clam, Hippopus hippopus
Both are common species throughout the tropical Indo-Pacific region from Japan to eastern Africa. Â The Cypraecassis is one of the species cameos are carved from. Â The Hippopus is in the Giant Clam Family, the same family as the huge 3 to 4 foot clams you see in the movies.